****Koo says Chen would have won by 100,000 without law change*** Senior officials and lawyers of the governing Democratic Progressive Party rebutted charges by pan-blue lawmakers and an Academia Sinica (’†‰›Œ¤‹†‰@) researcher that the result of the March 20 presidential election was determined by widespread "vote rigging" as "entirely without any foundation in fact." Incumbent President Chen Shui-bian (’Â…G) and Vice President Annette Lu (˜CG˜@) of the DPP won the poll by less than 30,000 votes by snaring 6.47 million votes or 50.12 percent of the ballots compared to 6.44 million for the pan-blue ticket of Kuomintang Chairman Lien Chan...